Trace number 1725677

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
HydraSAT-Multi 2009-03-22-MultiSAT 4.01639 4.02062

General information on the benchmark

Namecrafted/Medium/contest05/others/
QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
MD5SUM74af041eb51b172e799baf4bb7eaa52f
Bench CategoryCRAFTED (crafted instances)
Best result obtained on this benchmarkSAT
Best CPU time to get the best result obtained on this benchmark1.38479
Satisfiable
(Un)Satisfiability was proved
Number of variables2737
Number of clauses18375
Sum of the clauses size129048
Maximum clause length13
Minimum clause length1
Number of clauses of size 149
Number of clauses of size 2491
Number of clauses of size 32419
Number of clauses of size 4526
Number of clauses of size 5691
Number of clauses of size over 514199

Solver Data 

0.00/0.00	c Trying configuration 1
3.99/4.01	
3.99/4.01	c decisions : 64825
3.99/4.01	c conflicts : 32806
3.99/4.01	s SATISFIABLE
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Verifier Data 

OK

Watcher Data 

runsolver version 3.2.9 (svn:492) (c) roussel@cril.univ-artois.fr

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-1725677-1240706142/watcher-1725677-1240706142 -o /tmp/evaluation-result-1725677-1240706142/solver-1725677-1240706142 -C 1200 -W 1800 -M 1800 --output-limit 1,15 HOME/hydrasat-multi.sh HOME HOME/instance-1725677-1240706142.cnf 1800 914109027 

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 1200 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 1230 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 1800 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 1843200 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 1894400 KiB
Solver output will be limited to a maximum of 15728640 bytes. The first 1048576 bytes and the last 14680064 bytes will be preserved
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 0.85 0.97 0.99 2/64 16698
/proc/meminfo: memFree=1870816/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=1452 CPUtime=0
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 158 0 0 0 0 0 0 0 20 0 1 0 98641716 1486848 140 1992294400 134512640 135813592 4294956176 18446744073709551615 135207862 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 363 140 116 317 0 43 0

[startup+0.0608459 s]
/proc/loadavg: 0.85 0.97 0.99 2/64 16698
/proc/meminfo: memFree=1870816/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=2904 CPUtime=0.05
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 532 0 0 0 5 0 0 0 20 0 1 0 98641716 2973696 514 1992294400 134512640 135813592 4294956176 18446744073709551615 135207862 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 726 514 121 317 0 406 0
Current children cumulated CPU time (s) 0.05
Current children cumulated vsize (KiB) 8264

[startup+0.102847 s]
/proc/loadavg: 0.85 0.97 0.99 2/64 16698
/proc/meminfo: memFree=1870816/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=3744 CPUtime=0.09
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 721 0 0 0 9 0 0 0 20 0 1 0 98641716 3833856 703 1992294400 134512640 135813592 4294956176 18446744073709551615 134676855 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 936 703 123 317 0 616 0
Current children cumulated CPU time (s) 0.09
Current children cumulated vsize (KiB) 9104

[startup+0.30286 s]
/proc/loadavg: 0.85 0.97 0.99 2/64 16698
/proc/meminfo: memFree=1870816/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=4152 CPUtime=0.29
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 852 0 0 0 29 0 0 0 21 0 1 0 98641716 4251648 833 1992294400 134512640 135813592 4294956176 18446744073709551615 135207862 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1038 833 149 317 0 718 0
Current children cumulated CPU time (s) 0.29
Current children cumulated vsize (KiB) 9512

[startup+0.702887 s]
/proc/loadavg: 0.85 0.97 0.99 2/64 16698
/proc/meminfo: memFree=1870816/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=4412 CPUtime=0.69
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 914 0 0 0 69 0 0 0 25 0 1 0 98641716 4517888 895 1992294400 134512640 135813592 4294956176 18446744073709551615 134668822 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1103 895 149 317 0 783 0
Current children cumulated CPU time (s) 0.69
Current children cumulated vsize (KiB) 9772

[startup+1.50194 s]
/proc/loadavg: 0.85 0.97 0.99 2/66 16700
/proc/meminfo: memFree=1867400/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=4676 CPUtime=1.48
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 995 0 0 0 148 0 0 0 25 0 1 0 98641716 4788224 976 1992294400 134512640 135813592 4294956176 18446744073709551615 134665049 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1169 976 149 317 0 849 0
Current children cumulated CPU time (s) 1.48
Current children cumulated vsize (KiB) 10036

[startup+3.10105 s]
/proc/loadavg: 0.85 0.97 0.99 2/66 16700
/proc/meminfo: memFree=1866760/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=5460 CPUtime=3.08
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 1168 0 0 0 308 0 0 0 25 0 1 0 98641716 5591040 1149 1992294400 134512640 135813592 4294956176 18446744073709551615 134668696 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1365 1149 149 317 0 1045 0
Current children cumulated CPU time (s) 3.08
Current children cumulated vsize (KiB) 10820

Solver just ended. Dumping a history of the last processes samples

[startup+3.50107 s]
/proc/loadavg: 0.85 0.97 0.99 2/66 16700
/proc/meminfo: memFree=1866312/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=5596 CPUtime=3.48
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 1217 0 0 0 348 0 0 0 25 0 1 0 98641716 5730304 1198 1992294400 134512640 135813592 4294956176 18446744073709551615 134665555 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1399 1198 149 317 0 1079 0
Current children cumulated CPU time (s) 3.48
Current children cumulated vsize (KiB) 10956

[startup+3.9011 s]
/proc/loadavg: 0.85 0.97 0.99 2/66 16700
/proc/meminfo: memFree=1866312/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=5864 CPUtime=3.89
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 1262 0 0 0 388 1 0 0 25 0 1 0 98641716 6004736 1243 1992294400 134512640 135813592 4294956176 18446744073709551615 134665960 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1466 1243 149 317 0 1146 0
Current children cumulated CPU time (s) 3.89
Current children cumulated vsize (KiB) 11224

[startup+4.00111 s]
/proc/loadavg: 0.85 0.97 0.99 2/66 16700
/proc/meminfo: memFree=1866312/2055920 swapFree=4181728/4192956
[pid=16698] ppid=16696 vsize=5360 CPUtime=0
/proc/16698/stat : 16698 (hydrasat-multi.) S 16696 16698 16661 0 -1 4194304 289 0 0 0 0 0 0 0 18 0 1 0 98641716 5488640 239 1992294400 4194304 4889804 548682068736 18446744073709551615 273653752644 0 65536 4100 65538 18446744071563356171 0 0 17 1 0 0
/proc/16698/statm: 1340 239 197 169 0 51 0
[pid=16699] ppid=16698 vsize=5864 CPUtime=3.99
/proc/16699/stat : 16699 (hydrasat_cache4) R 16698 16698 16661 0 -1 4194304 1273 0 0 0 398 1 0 0 25 0 1 0 98641716 6004736 1254 1992294400 134512640 135813592 4294956176 18446744073709551615 134665574 0 0 4096 1 0 0 0 17 1 0 0
/proc/16699/statm: 1466 1254 149 317 0 1146 0
Current children cumulated CPU time (s) 3.99
Current children cumulated vsize (KiB) 11224

Child status: 10
Real time (s): 4.02062
CPU time (s): 4.01639
CPU user time (s): 4.00339
CPU system time (s): 0.012998
CPU usage (%): 99.8948
Max. virtual memory (cumulated for all children) (KiB): 11224

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 4.00339
system time used= 0.012998
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1593
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 5
involuntary context switches= 17

runsolver used 0.008998 second user time and 0.014997 second system time

The end

Launcher Data 

Begin job on node52 at 2009-04-26 02:35:42
IDJOB=1725677
IDBENCH=24595
IDSOLVER=518
FILE ID=node52/1725677-1240706142
PBS_JOBID= 9186822
Free space on /tmp= 66232 MiB

SOLVER NAME= HydraSAT-Multi 2009-03-22-Multi
BENCH NAME= SAT07/crafted/Medium/contest05/others/QG7a-gensys-ukn001.sat05-3841.reshuffled-07.cnf
COMMAND LINE= DIR/hydrasat-multi.sh DIR BENCHNAME MEMLIMIT RANDOMSEED
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-1725677-1240706142/watcher-1725677-1240706142 -o /tmp/evaluation-result-1725677-1240706142/solver-1725677-1240706142 -C 1200 -W 1800 -M 1800 --output-limit 1,15  HOME/hydrasat-multi.sh HOME HOME/instance-1725677-1240706142.cnf 1800 914109027

TIME LIMIT= 1200 seconds
MEMORY LIMIT= 1800 MiB
MAX NB THREAD= 0

MD5SUM BENCH= 74af041eb51b172e799baf4bb7eaa52f
RANDOM SEED=914109027

node52.alineos.net Linux 2.6.9-22.EL.rootsmp #1 SMP Mon Oct 3 08:59:52 CEST 2005

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5914.62
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 15
model		: 4
model name	:                   Intel(R) Xeon(TM) CPU 3.00GHz
stepping	: 3
cpu MHz		: 3000.214
cache size	: 2048 KB
fpu		: yes
fpu_exception	: yes
cpuid level	: 5
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx lm pni monitor ds_cpl cid cx16 xtpr
bogomips	: 5586.94
clflush size	: 64
cache_alignment	: 128
address sizes	: 36 bits physical, 48 bits virtual
power management:


/proc/meminfo:
MemTotal:      2055920 kB
MemFree:       1871296 kB
Buffers:         12852 kB
Cached:         115932 kB
SwapCached:       5652 kB
Active:          38268 kB
Inactive:        98888 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:      2055920 kB
LowFree:       1871296 kB
SwapTotal:     4192956 kB
SwapFree:      4181728 kB
Dirty:            4856 kB
Writeback:           0 kB
Mapped:          13652 kB
Slab:            33400 kB
Committed_AS:   373716 kB
PageTables:       1476 kB
VmallocTotal: 536870911 kB
VmallocUsed:    264952 kB
VmallocChunk: 536605679 kB
HugePages_Total:     0
HugePages_Free:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 66228 MiB
End job on node52 at 2009-04-26 02:35:46